From 6e899fa027addf2dd069714184c58a7c8c4b3030 Mon Sep 17 00:00:00 2001
From: Bassem Dawood <bassem@morsemicro.com>
Date: Sat, 27 Feb 2021 16:58:15 +1100
Subject: [PATCH] mac80211: Enable power save after receiving NULL packet ACK
Trigger dynamic_ps_timer to re-evaluate power saving once a null
function packet (with PM = 1) is ACKed, otherwise dynamic PS is
not enabled at that point.
Signed-off-by: Bassem Dawood <bassem@morsemicro.com>
Link: https://lore.kernel.org/r/20210227055815.14838-1-bassem@morsemicro.com
[reformatting]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
net/mac80211/status.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 9baf185ee4c7e..b6ef96a25eac0 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -1006,12 +1006,11 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw,
ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS) &&
!(info->flags & IEEE80211_TX_CTL_INJECTED) &&
local->ps_sdata && !(local->scanning)) {
- if (info->flags & IEEE80211_TX_STAT_ACK) {
+ if (info->flags & IEEE80211_TX_STAT_ACK)
local->ps_sdata->u.mgd.flags |=
IEEE80211_STA_NULLFUNC_ACKED;
- } else
- mod_timer(&local->dynamic_ps_timer, jiffies +
- msecs_to_jiffies(10));
+ mod_timer(&local->dynamic_ps_timer,
+ jiffies + msecs_to_jiffies(10));
}
ieee80211_report_used_skb(local, skb, false);
--
2.30.2